|92 Vertebrata. 



Glyphanodus tenuis Davis; id. pi. 27 fig. 8. 



Petalodopsis tripartitus Davis; id. pi. 26 fig. 16. 



Polyrhizodus colei Dav. ; id. pi. 27 fig. 13. 



Pristodus falcatus Ag.; id. pi. 26 fig. 19 and 20. 



Copodus cornutus Ag.; id. pi. 27 fig. 22. 



Ctenopetalus crenatus Dav.; id. pi. 27 fig. IS. 



Diclitodus scitulus Dav.; id. pi. 27 fig. 12. 



Pleurodus ivoodi Dav.; id. pi. 27 fig. 14-17. 



Petalodus acuminatus Ag.; id. pi. 26 fig. 10. 



Chomatodus lamelliformis n. Yoredale series, near Leyburn ; id. p 625 pi. 27 fig. 23. 



Poecilodus corrugatus Dav.; id. pi. 27 fig. 21. 



Sandalodus minor n. Yoredale series, near Leyburn; id. p 626 pi. 26 fig. 17. 



Lophodus reticulatus Dav. pi. 27 fig. 2, laevis Dav. pi. 27 fig. 19, and bifurcatus 



Dav. pi. 27 fig. 6, concinnus n. p 627 pi. 26 fig. 18, and angularis n. p 628 



pi. 27 fig. 25. Yoredale series, near Leyburn; id. 

 Deltopty chins plicatus n. Yoredale series, near Leyburn ; id. p 628 pi. 26 fig. 13 



and 14. 

 Astrabodus n. for expansus n. Yoredale series, near Leyburn ; id. p630 pi. 26 fig. 1 1 



and 12. 

 Cyrtonodus n. for gibbus n. Yoredale series, near Leyburn; id. p 631 pi. 27 fig. 1 



and 6. 



Echinodus u. for paradoxus n. Yoredale series, near Leyburn; id. p631 pi. 27 fig. 7. 

 Diplacodus n. for bulboides n. Yoredale series, near Leyburn ; id. p 633 pi. 27 fig. 20. 

 Gyracanthus Ag. Notes on, with more detailed accounts of nobilis and youngi Tra- 



quair; Traquair () p 37-48. 

 Aganacanthus striatulus n. Blackbaud Ironstone of Borough Lee, near Edinburgh; 



Traquair ( 3 ) p 64. 

 Ctenacanthus costellatus n. Lower Carboniferous Rocks of Eskdale, Dumfriesshire ; 



id. (i) p 3 pi. 2. 



Pleuracanthus. Notes by Cope ( 3 ) p 818 pi. 23. 

 Didymodus. On the structure of the skull in this genus; Cope ( 4 j p 572-589 pi. - 



compressus Newb., and platypterus n., noted; id. ( 3 ) p 818 pi. 23. 

 Otodus woodtvardi n. Upper Greensand, Cambridge; Hasse p 8 pi. 2 fig. 13-15. 

 Carcharodon longidens n. Upper Chalk of Haute-Savoie ; Pillet p 277-283 pi. 

 Selache davisi [daviesi, because in honour of Mr. Davies] n. Chalk of Dorking, fig. 16 



and 17, and S. sp. Oligocene of Palmnicken, fig. 18 ; Hasse p 9 pi. 2. 

 Scy Ilium edwardsi. Chalk of Dorking, fig. 10 and 11, and catulus. Oligocene of 



Palmnicken, fig. 12 ; Hasse p 7 pi. 2. 

 Campodus agassizianus Kon.. described ; Lohest p 295 pi. 3 fig. 1 and 3, and pi. 4 



fig. 1-4, woodcut. 

 Agassizodus variabilis St. J. & Worth. Extensive notes and woodcuts illustrating 



the jaw of this species restored; id. p 305 3 figg. 

 Petrodus McCoy ? = Ostinaspis Trautsch. , note p 3 1 6, patelliformis Mc.C., described ; 



id. p 318 pi. 3 fig. 4-6, and pi. 5 fig. 1. 

 Xystmcanthus Leidy. Notes on this genus, p319; konincki n. Ampelite alunifere 



of Belgium, p 322 pi. 5 fig. 2 and 3 ; id. 

 Edestus minor Newb., vorax Leidy, p 161, woodcut, and protopirata n. Mountain 



chalk of Moscow, p 160 pi. 5 figs. 1 and 2. Notes by Trautschold. 

 Cymatodus reclinatus u. Mountain chalk of Moscow ; id. p 169 pi. 5 fig. 3 and 4. 

 Poecilodus undatus n. Mountain chalk of Moscow; id. p 170 pi. 5 fig. 5 and 6. 

 Euacanthus n. p 171, for margaritatus n. Mountain chalk of Moscow ; id. p 172 



pi. 5 fig. 7-13. 



